Year	US Dollar per National Currency Units
1960-01-01	0.1930501930874610
1961-01-01	0.1928640308954410
1962-01-01	0.1927525058197290
1963-01-01	0.1923076923446750
1964-01-01	0.1942501942879270
1965-01-01	0.1930501930874610
1966-01-01	0.1930501930874610
1967-01-01	0.1936108422446490
1968-01-01	0.1930501930874610
1969-01-01	0.1934235977163300
1970-01-01	0.1934235977163300
1971-01-01	0.2055498458798660
1972-01-01	0.2108370230256880
1973-01-01	0.2179836512736750
1974-01-01	0.2450680064318270
1975-01-01	0.2280241706140750
1976-01-01	0.2423361202574420
1977-01-01	0.2141556912333560
1978-01-01	0.2328017693476430
1979-01-01	0.2411672495456810
1980-01-01	0.2286864252260990
1981-01-01	0.1795009872876510
1982-01-01	0.1370895880645810
1983-01-01	0.1249843769685020
1984-01-01	0.1112408921519550
1985-01-01	0.1313111417503780
1986-01-01	0.1466490687784130
1987-01-01	0.1709986320109440
1988-01-01	0.1624167614097770
1989-01-01	0.1605909747872170
1990-01-01	0.1755001755001750
1991-01-01	0.1808481779546070
1992-01-01	0.1419849495953430
1993-01-01	0.1204311434937070
1994-01-01	0.1340213093881930
1995-01-01	0.1501907422426480
1996-01-01	0.1455392228205500
1997-01-01	0.1269518852354960
1998-01-01	0.1240540875821860
1999-01-01	0.1173020527859240
2000-01-01	0.1048767697954900
2001-01-01	0.0937426763534099
2002-01-01	0.1133144475920680
2003-01-01	0.1390975351916760
2004-01-01	0.1511807214344030
2005-01-01	0.1256533976678730
2006-01-01	0.1456791562263270
2007-01-01	0.1559186728202570
2008-01-01	0.1280311371725600
2009-01-01	0.1405185133141290
2010-01-01	0.1490379599684040
2011-01-01	0.1451863466759590
2012-01-01	0.1537397186563150
2013-01-01	0.1556710981039260
2014-01-01	0.1292557454178840
2015-01-01	0.1184721827314950
2016-01-01	0.1103484805014230
2017-01-01	0.1218323586744640